diff --git a/index.md b/index.md
index 6dc2a88..2cbece1 100644
--- a/index.md
+++ b/index.md
@@ -14,7 +14,7 @@ humantime: "09:00-17:00"    # human-readable times for the workshop e.g., "9:00
 startdate: 2024-10-09      # machine-readable start date for the workshop in YYYY-MM-DD format like 2015-01-01
 enddate: 2024-10-10        # machine-readable end date for the workshop in YYYY-MM-DD format like 2015-01-02
 instructor: ["Dr. Sonja Grath", "Reema Gupta","Maria Matveev", "Dr. Balthasar Schachtner"] # boxed, comma-separated list of instructors' names as strings, like ["Kay McNulty", "Betty Jennings", "Betty Snyder"]
-helper: ["Barbara Kovačić & tba. Please contact us, if you would like to volunteer."]     # boxed, comma-separated list of helpers' names, like ["Marlyn Wescoff", "Fran Bilas", "Ruth Lichterman"]
+helper: ["Matthias Bock, Barbara Kovačić & tba. Please contact us, if you would like to volunteer."]     # boxed, comma-separated list of helpers' names, like ["Marlyn Wescoff", "Fran Bilas", "Ruth Lichterman"]
 email: ["grath@biologie.uni-muenchen.de","reema.gupta@lmu.de","matveev@math.lmu.de", "balthasar.schachtner@med.uni-muenchen.de"]    # boxed, comma-separated list of contact email addresses for the host, lead instructor, or whoever else is handling questions, like ["marlyn.wescoff@example.org", "fran.bilas@example.org", "ruth.lichterman@example.org"]
 collaborative_notes:  # optional: URL for the workshop collaborative notes, e.g. an Etherpad or Google Docs document (e.g., https://pad.carpentries.org/2015-01-01-euphoria)
 eventbrite:           # optional: alphanumeric key for Eventbrite registration, e.g., "1234567890AB" (if Eventbrite is being used)